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What mass of potassium chromate is needed to add to exactly 500g of water to produce a solution with vapor pressure of 21.50 torr at 24 C?
When heated, KClO3 reacts to produce KCl and O2. How many grams of KClO3 are needed to produce 791 ml of O2 at STP conditions?
Predict the type of substitution mechanism, predict which reaction of the pair will occur at the faster rate, and draw the correct organic product.
Containers of rubbing alchohol and ammonia are opened simultaniosly in a room. Which will you smell first and why?
how does its vapor pressure change over time? It continues to steadily increase. It increases at first, then remains constant
Complete and balance the equation for this reaction in basic solution. Phases are optional.
With wet beriberi, peripheral vessels dilate and cardiac muscle looses its contractility. also, alpha-ketoglutarate is found in high concentrations. this is thought to be caused by
If 3.55 g of CuSO4 are dissolved in 925 mL of 0.30 M NH3, what are the concentrations of Cu2+, Cu(NH3)42+, and NH3 at equilibrium Kf, Cu(NH3)42+= 1.1 x 1013 . Assume that most of the Cu2+ is converted to the complex since K is a very large number...
What if any experimental evidence do you have that the equilibrium is affected by the addition of concentrated HCL? Explain Are your observation and explanation in A consistent with Le Chatelier's Principle? Explain
A polluted water sample is suspected of being contaminated with one of the following; soap, ABS Surfactant, or LAS. In soft water, the sample has a very high BOD relative to its TOC.
When a system is in a state of chemical equilibrium, a state of apparent rest, is anything going on at the molecular
Carbon Monoxide is a toxic pollutant found in our city air. On a particular day, the air contains 6.50mg of CO per 1.000X cubic meter of air. How many grams of CO are present in a room whose dimensions are 15.0 meters X 11.0 meters X 16.5 meters?
A student measured the wavelength of hydrogen's visible red spectral line to be 647 nanometers. Which is a correct numerical setup for calculating the student's percent error.
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